* Get the predicted number of non-zero coefficients.
* @param n block index
*/
-static inline int pred_non_zero_count(H264Context *h, H264SliceContext *sl, int n)
+static inline int pred_non_zero_count(const H264Context *h, H264SliceContext *sl, int n)
{
const int index8= scan8[n];
const int left = sl->non_zero_count_cache[index8 - 1];
* @param max_coeff number of coefficients in the block
* @return <0 if an error occurred
*/
-static int decode_residual(H264Context *h, H264SliceContext *sl,
+static int decode_residual(const H264Context *h, H264SliceContext *sl,
GetBitContext *gb, int16_t *block, int n,
const uint8_t *scantable, const uint32_t *qmul,
int max_coeff)
if(total_coeff==0)
return 0;
if(total_coeff > (unsigned)max_coeff) {
- av_log(h->avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", h->mb_x, h->mb_y, total_coeff);
+ av_log(h->avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", sl->mb_x, sl->mb_y, total_coeff);
return -1;
}
}
if(zeros_left<0){
- av_log(h->avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", sl->mb_x, sl->mb_y);
return -1;
}
return 0;
}
-static av_always_inline int decode_luma_residual(H264Context *h, H264SliceContext *sl, GetBitContext *gb, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p){
+static av_always_inline
+int decode_luma_residual(const H264Context *h, H264SliceContext *sl,
+ GetBitContext *gb, const uint8_t *scan,
+ const uint8_t *scan8x8, int pixel_shift,
+ int mb_type, int cbp, int p)
+{
int i4x4, i8x8;
int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
if(IS_INTRA16x16(mb_type)){
AV_ZERO128(sl->mb_luma_dc[p]+8);
AV_ZERO128(sl->mb_luma_dc[p]+16);
AV_ZERO128(sl->mb_luma_dc[p]+24);
- if( decode_residual(h, sl, h->intra_gb_ptr, sl->mb_luma_dc[p], LUMA_DC_BLOCK_INDEX+p, scan, NULL, 16) < 0){
+ if (decode_residual(h, sl, gb, sl->mb_luma_dc[p], LUMA_DC_BLOCK_INDEX + p, scan, NULL, 16) < 0) {
return -1; //FIXME continue if partitioned and other return -1 too
}
for(i8x8=0; i8x8<4; i8x8++){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
- if( decode_residual(h, sl, h->intra_gb_ptr, sl->mb + (16*index << pixel_shift),
+ if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift),
index, scan + 1, h->dequant4_coeff[p][qscale], 15) < 0 ){
return -1;
}
}
}
-int ff_h264_decode_mb_cavlc(H264Context *h, H264SliceContext *sl)
+int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl)
{
int mb_xy;
int partition_count;
const int pixel_shift = h->pixel_shift;
unsigned local_ref_count[2];
- mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
+ mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
- tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
+ tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, sl->mb_x, sl->mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
if (sl->mb_skip_run == -1)
- sl->mb_skip_run = get_ue_golomb_long(&h->gb);
+ sl->mb_skip_run = get_ue_golomb_long(&sl->gb);
if (sl->mb_skip_run--) {
- if(FRAME_MBAFF(h) && (h->mb_y&1) == 0){
+ if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
if (sl->mb_skip_run == 0)
- h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&h->gb);
+ sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
decode_mb_skip(h, sl);
return 0;
}
}
if (FRAME_MBAFF(h)) {
- if( (h->mb_y&1) == 0 )
- h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&h->gb);
+ if ((sl->mb_y & 1) == 0)
+ sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
sl->prev_mb_skipped = 0;
- mb_type= get_ue_golomb(&h->gb);
+ mb_type= get_ue_golomb(&sl->gb);
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
if(mb_type < 23){
partition_count= b_mb_type_info[mb_type].partition_count;
mb_type--;
decode_intra_mb:
if(mb_type > 25){
- av_log(h->avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_picture_type_char(sl->slice_type), h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_picture_type_char(sl->slice_type), sl->mb_x, sl->mb_y);
return -1;
}
partition_count=0;
mb_type= i_mb_type_info[mb_type].type;
}
- if(MB_FIELD(h))
+ if (MB_FIELD(sl))
mb_type |= MB_TYPE_INTERLACED;
h->slice_table[mb_xy] = sl->slice_num;
h->sps.bit_depth_luma;
// We assume these blocks are very rare so we do not optimize it.
- sl->intra_pcm_ptr = align_get_bits(&h->gb);
- if (get_bits_left(&h->gb) < mb_size) {
+ sl->intra_pcm_ptr = align_get_bits(&sl->gb);
+ if (get_bits_left(&sl->gb) < mb_size) {
av_log(h->avctx, AV_LOG_ERROR, "Not enough data for an intra PCM block.\n");
return AVERROR_INVALIDDATA;
}
- skip_bits_long(&h->gb, mb_size);
+ skip_bits_long(&sl->gb, mb_size);
// In deblocking, the quantizer is 0
h->cur_pic.qscale_table[mb_xy] = 0;
return 0;
}
- local_ref_count[0] = sl->ref_count[0] << MB_MBAFF(h);
- local_ref_count[1] = sl->ref_count[1] << MB_MBAFF(h);
+ local_ref_count[0] = sl->ref_count[0] << MB_MBAFF(sl);
+ local_ref_count[1] = sl->ref_count[1] << MB_MBAFF(sl);
fill_decode_neighbors(h, sl, mb_type);
fill_decode_caches(h, sl, mb_type);
if(IS_INTRA4x4(mb_type)){
int i;
int di = 1;
- if(dct8x8_allowed && get_bits1(&h->gb)){
+ if(dct8x8_allowed && get_bits1(&sl->gb)){
mb_type |= MB_TYPE_8x8DCT;
di = 4;
}
for(i=0; i<16; i+=di){
int mode = pred_intra_mode(h, sl, i);
- if(!get_bits1(&h->gb)){
- const int rem_mode= get_bits(&h->gb, 3);
+ if(!get_bits1(&sl->gb)){
+ const int rem_mode= get_bits(&sl->gb, 3);
mode = rem_mode + (rem_mode >= mode);
}
return -1;
}
if(decode_chroma){
- pred_mode= ff_h264_check_intra_pred_mode(h, sl, get_ue_golomb_31(&h->gb), 1);
+ pred_mode= ff_h264_check_intra_pred_mode(h, sl, get_ue_golomb_31(&sl->gb), 1);
if(pred_mode < 0)
return -1;
sl->chroma_pred_mode = pred_mode;
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
for(i=0; i<4; i++){
- sl->sub_mb_type[i]= get_ue_golomb_31(&h->gb);
+ sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb);
if(sl->sub_mb_type[i] >=13){
- av_log(h->avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
sub_partition_count[i]= b_sub_mb_type_info[ sl->sub_mb_type[i] ].partition_count;
}else{
av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_P); //FIXME SP correct ?
for(i=0; i<4; i++){
- sl->sub_mb_type[i]= get_ue_golomb_31(&h->gb);
+ sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb);
if(sl->sub_mb_type[i] >=4){
- av_log(h->avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
sub_partition_count[i]= p_sub_mb_type_info[ sl->sub_mb_type[i] ].partition_count;
if(ref_count == 1){
tmp= 0;
}else if(ref_count == 2){
- tmp= get_bits1(&h->gb)^1;
+ tmp= get_bits1(&sl->gb)^1;
}else{
- tmp= get_ue_golomb_31(&h->gb);
+ tmp= get_ue_golomb_31(&sl->gb);
if(tmp>=ref_count){
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
return -1;
const int index= 4*i + block_width*j;
int16_t (* mv_cache)[2]= &sl->mv_cache[list][ scan8[index] ];
pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
- mx += get_se_golomb(&h->gb);
- my += get_se_golomb(&h->gb);
+ mx += get_se_golomb(&sl->gb);
+ my += get_se_golomb(&sl->gb);
tprintf(h->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
if(local_ref_count[list]==1){
val= 0;
} else if(local_ref_count[list]==2){
- val= get_bits1(&h->gb)^1;
+ val= get_bits1(&sl->gb)^1;
}else{
- val= get_ue_golomb_31(&h->gb);
+ val= get_ue_golomb_31(&sl->gb);
if (val >= local_ref_count[list]){
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
for (list = 0; list < sl->list_count; list++) {
if(IS_DIR(mb_type, 0, list)){
pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
- mx += get_se_golomb(&h->gb);
- my += get_se_golomb(&h->gb);
+ mx += get_se_golomb(&sl->gb);
+ my += get_se_golomb(&sl->gb);
tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
if(local_ref_count[list] == 1) {
val= 0;
} else if(local_ref_count[list] == 2) {
- val= get_bits1(&h->gb)^1;
+ val= get_bits1(&sl->gb)^1;
}else{
- val= get_ue_golomb_31(&h->gb);
+ val= get_ue_golomb_31(&sl->gb);
if (val >= local_ref_count[list]){
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
unsigned int val;
if(IS_DIR(mb_type, i, list)){
pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
- mx += get_se_golomb(&h->gb);
- my += get_se_golomb(&h->gb);
+ mx += get_se_golomb(&sl->gb);
+ my += get_se_golomb(&sl->gb);
tprintf(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
if(local_ref_count[list]==1){
val= 0;
} else if(local_ref_count[list]==2){
- val= get_bits1(&h->gb)^1;
+ val= get_bits1(&sl->gb)^1;
}else{
- val= get_ue_golomb_31(&h->gb);
+ val= get_ue_golomb_31(&sl->gb);
if (val >= local_ref_count[list]){
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
unsigned int val;
if(IS_DIR(mb_type, i, list)){
pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
- mx += get_se_golomb(&h->gb);
- my += get_se_golomb(&h->gb);
+ mx += get_se_golomb(&sl->gb);
+ my += get_se_golomb(&sl->gb);
tprintf(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
write_back_motion(h, sl, mb_type);
if(!IS_INTRA16x16(mb_type)){
- cbp= get_ue_golomb(&h->gb);
+ cbp= get_ue_golomb(&sl->gb);
if(decode_chroma){
if(cbp > 47){
- av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
return -1;
}
if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp];
else cbp= golomb_to_inter_cbp [cbp];
}else{
if(cbp > 15){
- av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
return -1;
}
if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp];
}
if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
- mb_type |= MB_TYPE_8x8DCT*get_bits1(&h->gb);
+ mb_type |= MB_TYPE_8x8DCT*get_bits1(&sl->gb);
}
sl->cbp=
h->cbp_table[mb_xy]= cbp;
int i4x4, i8x8, chroma_idx;
int dquant;
int ret;
- GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
+ GetBitContext *gb = &sl->gb;
const uint8_t *scan, *scan8x8;
const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
- dquant= get_se_golomb(&h->gb);
+ dquant= get_se_golomb(&sl->gb);
sl->qscale += dquant;
if (sl->qscale < 0) sl->qscale += max_qp + 1;
else sl->qscale -= max_qp+1;
if (((unsigned)sl->qscale) > max_qp){
- av_log(h->avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, h->mb_x, h->mb_y);
+ av_log(h->avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, sl->mb_x, sl->mb_y);
return -1;
}
}
projects / ffmpeg / blobdiff